Detection and identification of radio channels - is performed by system management control assemblies at each relay station

摘要: A radio telephone system comprises a number of transmitter receiver stations managed from call channel. The problems simultaneous calling are overcome by management controller at each station controlled central controller. identical relay (1-4) connected to (11) data transmission equipments. Each contains installations (ER) and also (10) coupled receiver. This is time clock (12) the (11). demand for channel detected carrier level measured converted digital value. values transmitted enable be selected call.